Manual Metal Arc Welding Electrodes. Dia.: 4Mm, Class: M4, Type Of Coating: Heavy. Matl .& Specn : Irs: M28 / 2020 (Version 1.0), Code: E23.12 Lr26 As Per Is: 5206-1983 (Reaff. 2019) Or Lates T. Shelf Life: The Shelf Life Of The Electrodes Shall Be 12 Months From The Date Of Receipt In Stores Or 18 Months From The Date Of Manufacture Whichever Is More. [ Warranty Period: 12 Months After The Dat E Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]